修改为2HZ发poll包，修改second task从原来2s一次为1s一次

chen

2025-07-31 5102fff8a13c0319d8125a51d3d2354e7aacdcea

 keil/mk_4G.c

@@ -46,6 +46,7 @@
       save_com_map_to_flash();
       */
}

void gnss_forceopen(void)
{
    gps_air780_power_change(1, air780_power_state);